18601940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29298220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 53, 70, 92, 106, 109, 115, 140, 161, 212, 218, 230, 265, 322, 371, 436, 460, 530, 545, 644, 742, 763, 805, 1060, 1090, 1219, 1484, 1526, 1610, 1855, 2180, 2438, 2507, 3052, 3220, 3710, 3815, 4876, 5014, 5777, 6095, 7420, 7630, 8533, 10028, 11554, 12190, 12535, 15260, 17066, 17549, 23108, 24380, 25070, 28885, 34132, 35098, 40439, 42665, 50140, 57770, 70196, 80878, 85330, 87745, 115540, 132871, 161756, 170660, 175490, 202195, 265742, 350980, 404390, 531484, 664355, 808780, 930097, 1328710, 1860194, 2657420, 3720388, 4650485, 9300970, 18601940]

約数ペア:

[(1, 18601940), (2, 9300970), (4, 4650485), (5, 3720388), (7, 2657420), (10, 1860194), (14, 1328710), (20, 930097), (23, 808780), (28, 664355), (35, 531484), (46, 404390), (53, 350980), (70, 265742), (92, 202195), (106, 175490), (109, 170660), (115, 161756), (140, 132871), (161, 115540), (212, 87745), (218, 85330), (230, 80878), (265, 70196), (322, 57770), (371, 50140), (436, 42665), (460, 40439), (530, 35098), (545, 34132), (644, 28885), (742, 25070), (763, 24380), (805, 23108), (1060, 17549), (1090, 17066), (1219, 15260), (1484, 12535), (1526, 12190), (1610, 11554), (1855, 10028), (2180, 8533), (2438, 7630), (2507, 7420), (3052, 6095), (3220, 5777), (3710, 5014), (3815, 4876)]